Home / 45,956.44-68,837.79-21,017.49

Finding the Fourth Proportional to 45,956.44, 68,837.79 and 21,017.49

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Solution

The fourth proportional to 45,956.44, 68,837.79 and 21,017.49 is: 31,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,956.44 : 68,837.79 = 21,017.49 : x
  2. Step 2: Convert to fraction form
    45,956.44/68,837.79 = 21,017.49/x
  3. Step 3: Cross multiply
    45,956.44x = 68,837.79 × 21,017.49
  4. Step 4: Simplify right side
    45,956.44x = 1,446,797,218.76
  5. Step 5: Solve for x
    x = 1,446,797,218.76/45,956.44
  6. Step 6: Final answer
    x = 31,481.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.